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Global Volcanism Program | Image GVP-03359

Riverside Geyser in the Upper Geyser Basin is the most regular of Yellowstone's geysers. About every six hours it ejects a 25-m-high inclined jet from a small vent hole on the east bank of the Firehole River 2 km downstream from Old Faithful. Photo by Lee Siebert, 1968 (Smithsonian Institution).

Riverside Geyser in the Upper Geyser Basin is the most regular of Yellowstone's geysers. About every six hours it ejects a 25-m-high inclined jet from a small vent hole on the east bank of the Firehole River 2 km downstream from Old Faithful.

Photo by Lee Siebert, 1968 (Smithsonian Institution).

Keywords: geothermal features | geothermal | geyser


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